Oesophageal granulomas in free-ranging wild Booted Eagles (Hieraaetus pennatus) caused by Trichomonas gallinae

Two free-ranging Booted Eagles were rescued in a severe state of cachexia and dehydration. Both had huge oesophageal granulomas, blocking the passage of food. A complete physical examination, x-rays and blood haematology and biochemistry were performed. Samples were taken for fine needle aspiration cytology and the diagnosis was avian trichomoniasis in both cases. Treatment and outcomes of the cases are described below. The aim of this study is to highlight the importance of early recognition of this disease for a more favourable prognosis, and the impact that avian trichomoniasis may have on wild populations of endangered species.